ISRC NLA509303803
Verified recording
NLA509303803 is “Der Rosenkavalier, Op. 59: Mit Mir Waltz” by Richard Strauss,
registered on the CopyrightChains blockchain with CopyrightID
0xa7c64bf24a17e66d7a68dac38baf586d0d1dfb480a74e1b930b0cdf3179d18ab and independently timestamped
in Bitcoin block 960403 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509303803.
Recording identifiers
- ISRC
- NLA509303803
- Title
- Der Rosenkavalier, Op. 59: Mit Mir Waltz
- Artist
- Richard Strauss
- CopyrightID (CopyrightChains transaction hash)
0xa7c64bf24a17e66d7a68dac38baf586d0d1dfb480a74e1b930b0cdf3179d18ab
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:04:34+00:00
- Bitcoin block
- 960403
- Canonical record hash
sha256:fb1e7e7bb0a18c029526f872ca5809dac1590ccbe746aedc63ead6e3db0df3ed- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509303803
- Bitcoin block existence check
- https://blockstream.info/api/block/960403
Full record
Track page: Der Rosenkavalier, Op. 59: Mit Mir Waltz · Machine-readable JSON-LD